November 21, 2019, Symposium on “Personalized therapy of acid-dependent gastrointestinal diseases” was held within the XIV National Congress of Therapists. The meeting was opened by the Chairman Leonid B. Lazebnik (MD, PhD, Professor of the Department of Outpatient Therapy, Faculty of General Medicine at the A.I. Yevdokimov Moscow State University of Medicine and Dentistry, Chairman of the Russian Scientific Society of Gastroenterologists; Moscow) making the report on “Adherence improvement to the treatment — key factor in the success of H. pylori eradication therapy”.